// license:BSD-3-Clause
// copyright-holders:Phil Stroffolino
#include "video/bufsprite.h"
#include "sound/upd7759.h"
#include "sound/k007232.h"
class twin16_state : public driver_device
{
public:
twin16_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_subcpu(*this, "sub"),
m_audiocpu(*this, "audiocpu"),
m_k007232(*this, "k007232"),
m_upd7759(*this, "upd"),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
m_spriteram(*this, "spriteram"),
m_gfxrombank(*this, "gfxrombank"),
m_fixram(*this, "fixram"),
m_videoram(*this, "videoram"),
m_zipram(*this, "zipram"),
m_sprite_gfx_ram(*this, "sprite_gfx_ram"),
m_gfxrom(*this, "gfxrom") { }
required_device<cpu_device> m_maincpu;
optional_device<cpu_device> m_subcpu;
required_device<cpu_device> m_audiocpu;
required_device<k007232_device> m_k007232;
required_device<upd7759_device> m_upd7759;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
required_device<buffered_spriteram16_device> m_spriteram;
optional_memory_bank m_gfxrombank;
required_shared_ptr<UINT16> m_fixram;
required_shared_ptr_array<UINT16, 2> m_videoram;
optional_shared_ptr<UINT16> m_zipram;
optional_shared_ptr<UINT16> m_sprite_gfx_ram;
required_region_ptr<UINT16> m_gfxrom;
UINT16 m_CPUA_register;
UINT16 m_CPUB_register;
bool m_is_fround;
UINT16 m_sprite_buffer[0x800];
emu_timer *m_sprite_timer;
int m_sprite_busy;
int m_need_process_spriteram;
UINT16 m_scrollx[3];
UINT16 m_scrolly[3];
UINT16 m_video_register;
tilemap_t *m_fixed_tmap;
tilemap_t *m_scroll_tmap[2];
DECLARE_WRITE16_MEMBER(CPUA_register_w);
DECLARE_WRITE16_MEMBER(CPUB_register_w);
DECLARE_READ16_MEMBER(sprite_status_r);
DECLARE_WRITE16_MEMBER(video_register_w);
DECLARE_WRITE16_MEMBER(fixram_w);
DECLARE_WRITE16_MEMBER(videoram0_w);
DECLARE_WRITE16_MEMBER(videoram1_w);
DECLARE_WRITE16_MEMBER(zipram_w);
DECLARE_READ8_MEMBER(upd_busy_r);
DECLARE_WRITE8_MEMBER(upd_reset_w);
DECLARE_WRITE8_MEMBER(upd_start_w);
DECLARE_DRIVER_INIT(twin16);
TILE_GET_INFO_MEMBER(fix_tile_info);
TILE_GET_INFO_MEMBER(layer0_tile_info);
TILE_GET_INFO_MEMBER(layer1_tile_info);
UINT32 screen_update_twin16(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void screen_eof_twin16(screen_device &screen, bool state);
INTERRUPT_GEN_MEMBER(CPUA_interrupt);
INTERRUPT_GEN_MEMBER(CPUB_interrupt);
TIMER_CALLBACK_MEMBER(sprite_tick);
DECLARE_WRITE8_MEMBER(volume_callback);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
virtual void video_start() override;
virtual void tile_get_info(tile_data &tileinfo, UINT16 data, int color_base);
private:
int set_sprite_timer();
void spriteram_process();
void draw_sprites( screen_device &screen, bitmap_ind16 &bitmap );
int spriteram_process_enable();
void twin16_postload();
};
class fround_state : public twin16_state
{
public:
fround_state(const machine_config &mconfig, device_type type, const char *tag)
: twin16_state(mconfig, type, tag)
{}
DECLARE_WRITE16_MEMBER(fround_CPU_register_w);
DECLARE_WRITE16_MEMBER(gfx_bank_w);
DECLARE_DRIVER_INIT(fround);
protected:
virtual void video_start() override;
virtual void tile_get_info(tile_data &tileinfo, UINT16 data, int color_base) override;
private:
UINT8 m_gfx_bank[4];
};
class cuebrickj_state : public twin16_state
{
public:
cuebrickj_state(const machine_config &mconfig, device_type type, const char *tag)
: twin16_state(mconfig, type, tag)
{}
DECLARE_WRITE8_MEMBER(nvram_bank_w);
DECLARE_DRIVER_INIT(cuebrickj);
private:
UINT16 m_nvram[0x400 * 0x20 / 2];
};